Health A-Z

Clinical Definition Mold is a type of fungus that produces airborne spores. People with mold allergies have an abnormal immune response after exposure to mold spores. After inhalation of mold spores, some individuals develop an antigen-antibody reactions leading to symptoms of hypersensitivity. The most common types of molds that induce allergic reactions include Cladosporium, Penicillium…

Clinical Definition A mole, or pigmented nevus, is a dermatological growth, typically unicolor, most often brown but sometimes other hues or colorless. Most moles are benign, but changes in color, height, size or shape demands evaluation, as do nevi that bleed, ooze, itch, have a scaly appearance or become tender or painful. Some types of…

Clinical Definition Mononucleosis is an acute infectious disease that can cause lymphadenopathy, splenomegaly and pharyngitis. The most common causative agent is the Epstein-Barr Virus (EBV), which is a gamma-type herpes virus. Once infected with EBV, the virus remains dormant in the body and may reactivate. It is often transmitted through contact with oral secretions from…

Clinical Definition Morning sickness is charactered by episodes of nausea and vomiting that occur during the first trimester of pregnancy. It is a common condition that is thought to be caused by increased levels of human chorionic gonadotropin (HGC) hormone released by the placenta into a pregnant womans blood system. In Our Own Words During…